@misc{indiciae5be57884fb99,
  title = {Monolithic watt-level millimeter-wave diode-grid frequency tripler array},
  author = {Hwu, R. J. and Luhmann, N. C., Jr. and Rutledge, D. B. and Hancock, B. and Lieneweg, U.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19890039191},
  note = {Source identifier: 19890039191}
}